CSS轮廓宽度属性
的轮廓宽度属性用于设置轮廓的宽度。就像border-width属性一样，它的值应该是length或thin，medium或thick之一。
示例
<html>
<head>
</head>
<body>
<p style = "outline-width:thin; outline-style:solid;">
This text is having thin outline.
</p>
<br />
<p style = "outline-width:thick; outline-style:dashed;">
This text is having thick outline.
</p>
<br />
<p style = "outline-width:5px; outline-style:dotted;">
This text is having 5x outline.
</p>
</body>
</html>